@base . a ; "2747-299X" ; . a ; "2747-2043" ; . a ; . a ; ; "20210227181400.0"^^ ; ; . a , ; "Journal of Energy, Material, and Instrumentation Technology (Online)" . a , , ; , , ; "Journal of Energy, Material, and Instrumentation Technology." ; ; ; ; "2747-299X" ; ; ; "2747-299X" ; ; "2747-299X" ; "Journal of Energy, Material, and Instrumentation Technology (Online)" , "Journal of Energy, Material, and Instrumentation Technology." ; ; "http://jemit.fmipa.unila.ac.id" . . "Indonesia" . a .